E-series Hardware Guide
Required Tools and Safety Items
Safety Guidelines
Installing SRP I/O and SRP Modules
44
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Safety Guidelines
You need the following tools to install a line module:
!
A Phillips screwdriver
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An ESD wrist strap
Before and during the installation process, observe the following precautions:
Do not work on the system or connect or disconnect cables during
WARNING:
lightning activity.
Be sure circuit breakers for the power source are in the OFF position
WARNING:
before attaching power cables.
Remove jewelry (including rings, necklaces, and watches) before
WARNING:
working on equipment that is connected to power lines. Metal objects heat up
when connected to power and ground and can cause serious burns or become
welded to the terminals.
Do not insert any metal object, such as a screwdriver, into an open slot
WARNING:
or the backplane. Doing so may cause electric shock and serious burns.
Never attempt to repair parts of modules yourself. Only trained
WARNING:
customer service personnel are authorized to service parts. Call Juniper Networks
Customer Service to make arrangements to return defective modules for repair.
SRP modules should be installed in specific slots in each router. See Table 5 for SRP
module slot assignments.
Table 5: SRP module slot assignments
E-series Router
Slot
ERX-14xx model
6 and 7
ERX-7xx model
0 and 1
ERX-310 router
0